ITS: remove GPU params

Signed-off-by: Felix Schlepper <felix.schlepper@cern.ch>

Author: f3sch

Detectors/ITSMFT/ITS/tracking/include/ITStracking/TrackingConfigParam.h

@@ -105,42 +105,5 @@ struct TrackerParamConfig : public o2::conf::ConfigurableParamHelper<TrackerPara
   O2ParamDef(TrackerParamConfig, "ITSCATrackerParam");
 };
 
-struct ITSGpuTrackingParamConfig : public o2::conf::ConfigurableParamHelper<ITSGpuTrackingParamConfig> {
-  static constexpr int MaxIter = TrackerParamConfig::MaxIter;
-
-  /// Set nBlocks/nThreads to summarily override all kernel launch parameters in each iteration.
-  /// Parameters must start with nBlocks/nThreads.
-  static constexpr int OverrideValue{-1};
-  static constexpr char const* BlocksName = "nBlocks";
-  static constexpr char const* ThreadsName = "nThreads";
-  int nBlocks = OverrideValue;
-  int nThreads = OverrideValue;
-  void maybeOverride() const;
-
-  /// Individual kernel launch parameter for each iteration
-  int nBlocksLayerTracklets[MaxIter] = {60, 60, 60, 60};
-  int nThreadsLayerTracklets[MaxIter] = {256, 256, 256, 256};
-
-  int nBlocksLayerCells[MaxIter] = {60, 60, 60, 60};
-  int nThreadsLayerCells[MaxIter] = {256, 256, 256, 256};
-
-  int nBlocksFindNeighbours[MaxIter] = {60, 60, 60, 60};
-  int nThreadsFindNeighbours[MaxIter] = {256, 256, 256, 256};
-
-  int nBlocksProcessNeighbours[MaxIter] = {60, 60, 60, 60};
-  int nThreadsProcessNeighbours[MaxIter] = {256, 256, 256, 256};
-
-  int nBlocksTracksSeeds[MaxIter] = {60, 60, 60, 60};
-  int nThreadsTracksSeeds[MaxIter] = {256, 256, 256, 256};
-
-  int nBlocksVtxComputeTracklets[2] = {60, 60};
-  int nThreadsVtxComputeTracklets[2] = {256, 256};
-
-  int nBlocksVtxComputeMatching[2] = {60, 60};
-  int nThreadsVtxComputeMatching[2] = {256, 256};
-
-  O2ParamDef(ITSGpuTrackingParamConfig, "ITSGpuTrackingParam");
-};
-
 } // namespace o2::its
 #endif

Detectors/ITSMFT/ITS/tracking/src/Tracker.cxx

@@ -31,12 +31,6 @@ using o2::its::constants::GB;
 template <int NLayers>
 Tracker<NLayers>::Tracker(TrackerTraits<NLayers>* traits) : mTraits(traits)
 {
-  /// Initialise standard configuration with 1 iteration
-  mTrkParams.resize(1);
-  if (traits->isGPU()) {
-    ITSGpuTrackingParamConfig::Instance().maybeOverride();
-    ITSGpuTrackingParamConfig::Instance().printKeyValues(true, true);
-  }
 }
 
 template <int NLayers>

Detectors/ITSMFT/ITS/tracking/src/TrackingConfigParam.cxx

@@ -1,4 +1,4 @@
-// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
 // See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
 // All rights not expressly granted are reserved.
 //
@@ -9,36 +9,6 @@
 // granted to it by virtue of its status as an Intergovernmental Organization
 // or submit itself to any jurisdiction.
 
-#include <boost/property_tree/ptree.hpp>
-
-#include "Framework/Logger.h"
 #include "ITStracking/TrackingConfigParam.h"
-
 O2ParamImpl(o2::its::VertexerParamConfig);
 O2ParamImpl(o2::its::TrackerParamConfig);
-O2ParamImpl(o2::its::ITSGpuTrackingParamConfig);
-
-namespace o2::its
-{
-
-void ITSGpuTrackingParamConfig::maybeOverride() const
-{
-  if (nBlocks == OverrideValue && nThreads == OverrideValue) {
-    return;
-  }
-  const auto name = getName();
-  auto members = getDataMembers();
-  for (auto member : *members) {
-    if (!member.name.ends_with(BlocksName) && !member.name.ends_with(ThreadsName)) {
-      if (nBlocks != OverrideValue && member.name.starts_with(BlocksName) && (member.value != nBlocks)) {
-        o2::conf::ConfigurableParam::setValue<int>(name, member.name, nBlocks);
-      }
-      if (nThreads != OverrideValue && member.name.starts_with(ThreadsName) && (member.value != nThreads)) {
-        o2::conf::ConfigurableParam::setValue<int>(name, member.name, nThreads);
-      }
-    }
-  }
-  LOGP(info, "Overwriting gpu threading parameters");
-} // namespace o2::its
-
-} // namespace o2::its

Detectors/ITSMFT/ITS/tracking/src/TrackingLinkDef.h

@@ -39,9 +39,6 @@
 #pragma link C++ class o2::its::TrackerParamConfig + ;
 #pragma link C++ class o2::conf::ConfigurableParamHelper < o2::its::TrackerParamConfig> + ;
 
-#pragma link C++ class o2::its::ITSGpuTrackingParamConfig + ;
-#pragma link C++ class o2::conf::ConfigurableParamHelper < o2::its::ITSGpuTrackingParamConfig> + ;
-
 #pragma link C++ class o2::its::FastMultEstConfig + ;
 #pragma link C++ class o2::conf::ConfigurableParamHelper < o2::its::FastMultEstConfig> + ;
 

GPU/Workflow/src/GPUWorkflowITS.cxx

@@ -40,7 +40,6 @@ int32_t GPURecoWorkflowSpec::runITSTracking(o2::framework::ProcessingContext& pc
   if (mNTFs == 1 && pc.services().get<const o2::framework::DeviceSpec>().inputTimesliceId == 0) {
     o2::conf::ConfigurableParam::write(o2::base::NameConf::getConfigOutputFileName(pc.services().get<const o2::framework::DeviceSpec>().name, o2::its::VertexerParamConfig::Instance().getName()), o2::its::VertexerParamConfig::Instance().getName());
     o2::conf::ConfigurableParam::write(o2::base::NameConf::getConfigOutputFileName(pc.services().get<const o2::framework::DeviceSpec>().name, o2::its::TrackerParamConfig::Instance().getName()), o2::its::TrackerParamConfig::Instance().getName());
-    o2::conf::ConfigurableParam::write(o2::base::NameConf::getConfigOutputFileName(pc.services().get<const o2::framework::DeviceSpec>().name, o2::its::ITSGpuTrackingParamConfig::Instance().getName()), o2::its::ITSGpuTrackingParamConfig::Instance().getName());
   }
   return 0;
 }